8890440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:207

約数の個数: 128

約数和(自身を含む): 29635200

約数和(自身を除く): 20744760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 41, 52, 60, 65, 78, 82, 104, 120, 123, 130, 139, 156, 164, 195, 205, 246, 260, 278, 312, 328, 390, 410, 417, 492, 520, 533, 556, 615, 695, 780, 820, 834, 984, 1066, 1112, 1230, 1390, 1560, 1599, 1640, 1668, 1807, 2085, 2132, 2460, 2665, 2780, 3198, 3336, 3614, 4170, 4264, 4920, 5330, 5421, 5560, 5699, 6396, 7228, 7995, 8340, 9035, 10660, 10842, 11398, 12792, 14456, 15990, 16680, 17097, 18070, 21320, 21684, 22796, 27105, 28495, 31980, 34194, 36140, 43368, 45592, 54210, 56990, 63960, 68388, 72280, 74087, 85485, 108420, 113980, 136776, 148174, 170970, 216840, 222261, 227960, 296348, 341940, 370435, 444522, 592696, 683880, 740870, 889044, 1111305, 1481740, 1778088, 2222610, 2963480, 4445220, 8890440]

約数ペア:

[(1, 8890440), (2, 4445220), (3, 2963480), (4, 2222610), (5, 1778088), (6, 1481740), (8, 1111305), (10, 889044), (12, 740870), (13, 683880), (15, 592696), (20, 444522), (24, 370435), (26, 341940), (30, 296348), (39, 227960), (40, 222261), (41, 216840), (52, 170970), (60, 148174), (65, 136776), (78, 113980), (82, 108420), (104, 85485), (120, 74087), (123, 72280), (130, 68388), (139, 63960), (156, 56990), (164, 54210), (195, 45592), (205, 43368), (246, 36140), (260, 34194), (278, 31980), (312, 28495), (328, 27105), (390, 22796), (410, 21684), (417, 21320), (492, 18070), (520, 17097), (533, 16680), (556, 15990), (615, 14456), (695, 12792), (780, 11398), (820, 10842), (834, 10660), (984, 9035), (1066, 8340), (1112, 7995), (1230, 7228), (1390, 6396), (1560, 5699), (1599, 5560), (1640, 5421), (1668, 5330), (1807, 4920), (2085, 4264), (2132, 4170), (2460, 3614), (2665, 3336), (2780, 3198)]